binlog_encryption.rpl_mixed_binlog_max_cache_size 'mix' [ fail ]

        Test ended at 2019-09-10 09:37:38

CURRENT_TEST: binlog_encryption.rpl_mixed_binlog_max_cache_size

mysqltest: In included file "./include/rpl_connect.inc": 

included from ./include/master-slave.inc at line 46:

included from /Users/buildbot/maria-slave/mac-1012-bintar/build/mysql-test/suite/binlog_encryption/rpl_mixed_binlog_max_cache_size.test at line 2:

At line 55: query 'connect  $rpl_connection_name,127.0.0.1,root,,test,$_rpl_port,' failed: 2013: Lost connection to MySQL server at 'handshake: reading inital communication packet', system error: 60

The result from queries just before the failure was:

include/master-slave.inc

2019-09-10  9:35:38 13 [Note] Start binlog_dump to slave_server(2), pos(master-bin.000001, 4)

mysqld(87086,0x70000679b000) malloc: *** error for object 0x7fddf6d31c00: incorrect checksum for freed object - object was probably modified after being freed.

*** set a breakpoint in malloc_error_break to debug

190910  9:35:38 [ERROR] mysqld got signal 6 ;

This could be because you hit a bug. It is also possible that this binary

or one of the libraries it was linked against is corrupt, improperly built,

or misconfigured. This error can also be caused by malfunctioning hardware.

To report this bug, see https://mariadb.com/kb/en/reporting-bugs

We will try our best to scrape up some info that will hopefully help

diagnose the problem, but since we have already crashed, 

something is definitely wrong and this may fail.

Server version: 10.4.8-MariaDB-log

key_buffer_size=1048576

read_buffer_size=131072

max_used_connections=6

max_threads=153

thread_count=13

It is possible that mysqld could use up to 

key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 63511 K  bytes of memory

Hope that's ok; if not, decrease some variables in the equation.

Thread pointer: 0x7fddf7139a08

Attempting backtrace. You can use the following information to find out

where mysqld died. If you see no messages after this, something went

terribly wrong...

stack_bottom = 0x0 thread_stack 0x49000